#include <stdio.h>
#include <stdlib.h>
#include <sys/select.h>
#include <fcntl.h>
#include <arpa/inet.h>
#include <netinet/ip.h>
#define THREAD_ERROR_CHECK(ret, msg)                  {                                                     if (ret != 0)                                     {                                                     fprintf(stderr,%s:%s, msg, strerror(ret));         }                                             }
#define ARGS_CHECK(argc, num)                     {                                                 if (argc != num)                              {                                                 fprintf(stderr, args error!n);             return -1;                                }                                         }
#define ERROR_CHECK(ret, num, msg)  {                                           if (ret == num)                     {                                       perror(msg);                        exit(1);                        }                           }   
int main(int argc, char *argv[]){  
    //int fd_s = socket(PF_INET, );
   
    return 0;  
}
